fagteori.dk

📜 Historical scan 2026-06-23 17:30:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fagteori.dk is a .dk domain served by 2 nameservers (clark.ns.cloudflare.com, dorthy.ns.cloudflare.com). It was registered on 21 July 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 150.171.109.194 is hosted by Microsoft Corporation (AS8075) in United States. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
clark.ns.cloudflare.com	108.162.193.87 172.64.33.87 173.245.59.87 2606:4700:58::adf5:3b57 2803:f800:50::6ca2:c157 2a06:98c1:50::ac40:2157	clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
dorthy.ns.cloudflare.com	108.162.192.249 172.64.32.249 173.245.58.249 2606:4700:50::adf5:3af9 2803:f800:50::6ca2:c0f9 2a06:98c1:50::ac40:20f9	dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com dorthy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
150.171.109.194	300s	—	AS8075	Microsoft Corporation	150.171.64.0/18	🇺🇸 United States	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

1 records 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2603:1061:14:c1::1	300s	—	AS8075	Microsoft Corporation	2603:1060:0:0:0:0:0:0/31	🇺🇸 United States	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 05:33:02

www CNAME	vm-iis-prod-aje9bxhng5fqcnbe.z01.azurefd.net (all on azurefd.net) → 150.171.109.193 2603:1061:14:c0::1 (AS8075)
www vs bare domain	Same network fagteori.dk: 150.171.109.193 2603:1061:14:c1::1 (AS8075) www.fagteori.dk: 150.171.109.193 2603:1061:14:c0::1 (AS8075)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

172ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

34ms

Field	Value
Serial	2404210567
Primary NS (MNAME)	clark.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 00:07:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-07-21
Expires	2027-07-31 (281d)

🔗 Same registrant#

18 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
alfabetadigital.dk	Punktum dk A/S (direct)
du-bedoemmertraening.dk	Punktum dk A/S (direct)
ef.dk	Punktum dk A/S (direct)
efdigital.dk	Punktum dk A/S (direct)
es-c.dk	Punktum dk A/S (direct)
fagpakke.dk	Punktum dk A/S (direct)
fagpakker.dk	Punktum dk A/S (direct)
moxis.dk	Punktum dk A/S (direct)
nyttf.dk	Punktum dk A/S (direct)
praxis-forlaget.dk	Punktum dk A/S (direct)
praxis-laering.dk	Punktum dk A/S (direct)
praxis-shop.dk	Punktum dk A/S (direct)
praxis.dk	Punktum dk A/S (direct)
praxit.dk	Punktum dk A/S (direct)
prx.dk	Punktum dk A/S (direct)
spanskunivers.dk	Punktum dk A/S (direct)
staabi.dk	Punktum dk A/S (direct)
undervisningsbanken.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

65ms

62ms

AAAA

62ms

TXT

170ms

CAA

42ms

HTTPS

62ms

TLSA

85ms

SOA

34ms

MTA-STS

32ms

DNSSEC

172ms

SRV

2044ms

Total

2494ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 22:06:39	405ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-24 20:32:45	3535ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-20 13:44:36	840ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-17 05:45:49	1155ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-15 06:53:11	1516ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-26 16:45:48	875ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 01:31:15	9531ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-19 07:00:51	2827ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-14 21:38:43	831ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-23 17:30:57 shown	2494ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-23 17:12:25	1155ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 09:11:46	953ms	2 NS 1 A 0 MX	🔓 Insecure